19909850

素因数分解:

$2^1\times 5^2\times {\mathrm{233}}^1\times {\mathrm{1709}}^1$

素因数の和:1954

約数の個数: 24

約数和(自身を含む): 37213020

約数和(自身を除く): 17303170

約数列:

[1, 2, 5, 10, 25, 50, 233, 466, 1165, 1709, 2330, 3418, 5825, 8545, 11650, 17090, 42725, 85450, 398197, 796394, 1990985, 3981970, 9954925, 19909850]

約数ペア:

[(1, 19909850), (2, 9954925), (5, 3981970), (10, 1990985), (25, 796394), (50, 398197), (233, 85450), (466, 42725), (1165, 17090), (1709, 11650), (2330, 8545), (3418, 5825)]